CVSS 4.0
8.6 highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:PCVE-2026-120231
High (8.6).
A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. The affected element is the function sub_416568 of the file /bin/ioos of the component OpenVPN CLI Handler. This manipulation of the argument file_id causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Severity
CVSS 3.1
9.9 criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- CWEs
- CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-78 Improper Neutralization of Special Elements used in an OS Command (OS Command Injection) - Published
- Modified
- Record from
- the NVD, synced
Ask an AI about this CVE
ChatGPTClaudePerplexityGoogle AI Mode
Show the prompt
Explain CVE-2026-120231 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-120231?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-120231?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an estimate of exploitation activity across the internet over the next 30 days, not a prediction for my systems). Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.